Zhi Xun Fang , Yu Feng Li , Xiao Qing Zhou , Zhen Zhang , Jin Song Zhang , Hai Ming Xia , Guo Ping Xing , Wei Ping Shu , Ling Shen and Guo Qing Yin
BMC Infectious Diseases 2008, 8:50doi:10.1186/1471-2334-8-50